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The repression of transposable elements in eukaryotes often involves their transcriptional silencing via targeted chromatin modifications. In animal gonads, nuclear Argonaute proteins of the PIWI-clade complexed with small guide RNAs (piRNAs) serve as sequence specificity determinants in this proces...
ORGANISM(S): Drosophila melanogaster 
2015-11-19 | GSE74097 | GEO
Silencio/CG9754 connects the Piwi-piRNA complex to the cellular heterochromatin machinery
Drosophila Piwi associates with PIWI-interacting RNAs (piRNAs) and represses transposons transcriptionally through heterochromatinization; however, this process is poorly understood. Here, we identify Brahma (Brm), the core adenosine triphosphatase of the SWI/SNF chromatin remodeling complex, as a n...
ORGANISM(S): Drosophila melanogaster 
2020-12-13 | GSE108329 | GEO
Transposable elements can drive genome evolution, but their enhanced activity is detrimental to the host and therefore must be tightly regulated. The piwi-interacting small RNAs (piRNAs) pathway is critically important for transposable element regulation, by inducing transcriptional silencing or pos...
ORGANISM(S): Drosophila melanogaster 
2017-12-06 | GSE103582 | GEO
Small RNA silencing pathways protect genome integrity in part through establishing heterochromatin at transposon loci. In animals, this process requires piRNA-guided targeting of nuclear PIWI proteins to nascent transcripts. The molecular events contributing to heterochromatin formation upon PIWI bi...
ORGANISM(S): Drosophila melanogaster (Fruit fly) 
2019-06-12 | PXD011201 | Pride
Piwi suppresses transcription of Brahma-dependent transposons via Maelstrom in ovarian somatic cells
piRNA-mediated regulation of transposon alternative splicing in soma and germline
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